/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDActiveView.h
Execute the specified function in parallel, on all items for each active range (sequential range, parallel items). Set MinParallelSize to run sequential on the smaller ranges.
void ParallelFor ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void(TItemsType &, int32)> Function, int32 MinParallelSize ) const